Karen Foster 00553 Design 6-Count Lil' Stacks, Baby Girl Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance Solid brass terminals make better connections and greater resistance to electrical pitting and corrosion RFI resistors where specified to eliminate radio static and potential ECU-damaging spikes Capitalizing on decades of research and development, our distributor caps and rotors contain unmatched quality yielding superior performance Standard is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product